Nuceria was the brutal and unloved homeworld of the World Eaters' Primarch Angron and also the planet where he was discovered by the Emperor of Mankind during the early days of the Great Crusade in the late 30th Millennium. In ancient days it was classified by the Imperium of Man as a highly technologically advanced Civilised World of the Ultima Segmentum, though current Imperial historical records do not generally state its name, which were expunged from the record following the events of the Horus Heresy. This is most likely the result of an Edict of Obliteration that was carried out to remove any trace of the world that spawned the fearful Daemon Primarch Angron. Following its scouring by the World Eaters Traitor Legion during the Horus Heresy, it is now a Dead World, wiped clean of all